CN204022685U - The industrial furnace of heat accumulating type partition heating - Google Patents
The industrial furnace of heat accumulating type partition heating Download PDFInfo
- Publication number
- CN204022685U CN204022685U CN201420367426.6U CN201420367426U CN204022685U CN 204022685 U CN204022685 U CN 204022685U CN 201420367426 U CN201420367426 U CN 201420367426U CN 204022685 U CN204022685 U CN 204022685U
- Authority
- CN
- China
- Prior art keywords
- kiln
- carbon dioxide
- combustion chamber
- thermophore
- industrial furnace
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
Abstract
The utility model relates to a kind of industrial furnace of heat accumulating type partition heating, comprises limestone kiln and carbon dioxide treatment unit, and limestone kiln is provided with opening for feed, discharge port, decomposition gas outlet and cooling air inlet.Decomposition gas outlet is connected with carbon dioxide treatment unit by induced draft fan, and the entrance of cooling blower is connected with carbon dioxide treatment unit or is communicated with atmosphere.Limestone kiln calcining zone is provided with combustion chamber, and the wall of combustion chamber is built by laying bricks or stones and formed or made by metallic substance by heat conduction brick structures.The air scoop of combustion chamber is connected with thermophore, and the other end of thermophore is connected with blowdown system with gas blower by T-valve.Cooling zone is provided with lower suction bar, and the outlet of lower suction bar is connected to induced draft fan or fuel preheater.The utility model adds combustion chamber and thermophore, by heat conduction brick structures muffle, adds the material in heating kiln body, is conducive to reclaim high-pureness carbon dioxide, smoke pre-heating combustion air, the temperature that improves combustion air, makes full use of heat resource, reduces the energy expenditure in limestone kiln.
Description
Technical field
The utility model belongs to calciner technical field, relates to a kind of industrial vertical kiln, is specifically related to a kind of industrial furnace of heat accumulating type partition heating.
Background technology
Industrial furnace residual heat is recycled, can save energy consumption, reduce thermal technology's products production cost, and reduce the discharge of pollutent simultaneously.Industrial furnace is large-scale highly energy-consuming device, and along with the fast development of national economy, the waste heat of industrial furnace is very abundant, available having a high potential.The industry of Iron And Steel Industry, calcium carbide, aluminum oxide industry and refractory industry are energy consumption rich anies influential family, and the rapid growth of above-mentioned industry has driven the high speed development of industrial furnace.In process of production, smog discharge temperature is high for thermal technology's product, is about 240～260 ℃.The effective utilization of this part fume afterheat can be reduced to energy dissipation, increase economy and the feature of environmental protection of industrial furnace.The carbonic acid gas that in lime production, decomposition of limestone produces is precious resources, because the carbonic acid gas and the combustion product gases that decompose mix, be unfavorable for recovery and the utilization of carbonic acid gas, therefore need muffle to heat to improve the quality of products and isolate valuable carbonic acid gas.
Granted publication number is open " a kind of energy-saving lime kiln of 102531416B Chinese invention patent, comprise kiln body, kiln body is followed successively by preheating zone from top to down, calcining zone, cooling zone, top, preheating zone is provided with kiln gas vent pipe, cooling zone region is provided with normal temperature air input unit, be fixed on the preheated air input unit on normal temperature air input unit, normal temperature air input unit and preheated air input unit all comprise airduct and are connected to the blast cap of airduct air outlet, the blast cap of preheated air input unit is arranged on the top of normal temperature air input unit blast cap, two blast caps form double-deck false cap structure together, kiln gas vent pipe connects interchanger blast inlet, in interchanger, be provided with heat transfer tube, the cold wind import of heat transfer tube connects gas blower, the hot-blast outlet of heat transfer tube connects the airduct of preheated air input unit, interchanger air outlet connects vacuum fan ".The discharge flue gas that this patent has solved limestone kiln is utilized, waste heat energy, and fuel consumption is large, the problem that combustion air preheating temperature is low, but this patented technology can not solve the recycling problem of carbonic acid gas in lime production.
Utility model content
The purpose of this utility model is to provide a kind of industrial furnace of heat accumulating type partition heating, combustion chamber and limestone kiln thorax are separated, utilize smoke pre-heating combustion air, collect highly purified carbonic acid gas simultaneously, reduce the energy expenditure in limestone kiln, improve the overall economic efficiency in limestone kiln.
The industrial furnace of the utility model heat accumulating type partition heating, comprises limestone kiln and carbon dioxide treatment unit, selects to be provided with fuel preheater.Limestone kiln is provided with opening for feed, discharge port, decomposition gas outlet and cooling air inlet.Decomposition gas outlet is connected with carbon dioxide treatment unit by induced draft fan, and cooling air inlet is connected with cooling blower outlet, and the entrance of cooling blower is connected with carbon dioxide treatment unit or is communicated with atmosphere.In the kiln body in limestone kiln, be provided with preheating zone, calcining zone and cooling zone.Calcining zone is provided with combustion chamber, and the wall of combustion chamber is built by laying bricks or stones and formed or made by metallic substance by heat conduction brick structures.The two ends of combustion chamber are provided with air scoop, fuel oil atomizer and slag notch, and air scoop is connected with thermophore, and the other end of thermophore is connected with blowdown system with gas blower by T-valve.Cooling zone is provided with lower suction bar, and the outlet of lower suction bar is connected to induced draft fan or fuel preheater.
Limestone kiln is vertical setting of types kiln or ring kiln., vertical setting of types kiln is rectangular configuration, and the calcining zone of vertical setting of types kiln is provided with 2～50 combustion chambers, and the both sides of each combustion chamber are provided with thermophore, and the air scoop of both sides, combustion chamber is connected with thermophore respectively.Ring kiln consists of interior ring and outer shroud, the kiln thorax that the annular space between interior ring and outer shroud is material to be machined.Ring kiln is provided with 2～50 combustion chambers, and combustion chamber annular is uniformly distributed.The both sides of each combustion chamber are provided with thermophore, and the air scoop of both sides, combustion chamber is connected with thermophore respectively.Carbon dioxide treatment unit is provided with purifying carbon dioxide equipment, carbonic acid gas cooling apparatus and carbon dioxide storage tank, and purifying carbon dioxide equipment, carbonic acid gas cooling apparatus are connected successively with carbon dioxide storage tank.Fuel oil atomizer is gas fuel nozzle, liquid fuel nozzle or solid fuel nozzle, or the combination of above-mentioned fuel oil atomizer.Heat storage in thermophore is ceramic refractory or ferrous materials, heat storage be shaped as spherule or cellular polyhedron.While using solid fuel nozzle, heat storage is spherule structure.Metallic substance is cast steel, cast iron or high temperature steel.
The utility model arranges combustion chamber and thermophore with the industrial furnace of heat accumulating type partition heating, by heat conduction brick structures muffle, add the material in heating kiln body, adopt the outer hot mode calcined limestone of external combustion, combustion chamber and decomposition of limestone chamber are separated, be conducive to improve the quality of calcination product, reclaim high-pureness carbon dioxide.The smoke pre-heating combustion air that combustion chamber produces, is conducive to improve the temperature of combustion air, makes full use of heat resource, reduces the energy expenditure in limestone kiln, improves the thermo-efficiency of lime production.The utility model not only reduces the energy consumption in limestone kiln, and can obtain this valuable industrial chemicals of high-purity carbon dioxide, improves the overall economic efficiency of industrial furnace.The carbonic acid gas of Wingdale thermolysis reclaims carbonic acid gas by carbon dioxide treatment unit, does the medium circulation utilization of cool lime with carbonic acid gas, is conducive to reduce exhaust gas emission, environment protection.The utility model is for the calcining of multiple thermal technology's products such as Wingdale, rhombspar, blue carbon, rubbish, steel billet.
Accompanying drawing explanation
Fig. 1 is that the utility model is with the structural representation of heat accumulating type partition heat industrial stove vertical setting of types kiln;
Fig. 2 is the side-view of Fig. 1;
Fig. 3 is that the utility model is with the structural representation of heat accumulating type partition heat industrial stove ring kiln;
Fig. 4 is the side-view of Fig. 3.
Wherein:
1-opening for feed, the outlet of 2-decomposition gas, 3-kiln body, 4-combustion chamber, 5-air scoop, 6-thermophore, 7-fuel oil atomizer, 8-lower suction bar, 9-cooling air inlet, 10-discharge port, 11-induced draft fan, 12-carbon dioxide treatment unit, 13-purifying carbon dioxide equipment, 14-carbonic acid gas cooling apparatus, 15-carbon dioxide storage tank, 16-cooling blower, 17-kiln thorax, 18-slag notch, 19-interior ring, 20-annular space, 21-outer shroud, 22-T-valve, 23-valve.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is elaborated.The utility model protection domain is not limited to embodiment, makes the scope that any change also belongs to the utility model protection in the scope that those skilled in the art limit in claim.
Embodiment 1
The industrial furnace of the utility model heat accumulating type partition heating as shown in Figure 1 and Figure 2, comprises vertical setting of types kiln and carbon dioxide treatment unit 12.Vertical setting of types kiln is provided with opening for feed 1, discharge port 10, decomposition gas outlet 2 and cooling air inlet 9.Carbon dioxide treatment unit is provided with purifying carbon dioxide equipment 13, carbonic acid gas cooling apparatus 14 and carbon dioxide storage tank 15, and purifying carbon dioxide equipment, carbonic acid gas cooling apparatus are connected successively with carbon dioxide storage tank.Decomposition gas outlet is connected with carbon dioxide treatment unit by induced draft fan 11, and cooling air inlet is connected with cooling blower 16 outlets, and the entrance of cooling blower is connected with carbon dioxide storage tank.In the kiln thorax 17 in limestone kiln, be provided with preheating zone, calcining zone and cooling zone.Calcining zone is provided with combustion chamber 4, and the wall of combustion chamber is built by laying bricks or stones and formed by heat conduction brick structures.The two ends of combustion chamber are provided with air scoop 5, fuel oil atomizer 7 and slag notch 18, and air scoop is connected with thermophore 6, and the other end of thermophore is connected with blowdown system with gas blower by T-valve 22, and fuel oil atomizer is connected with fuel pump deliver line by valve 23.Vertical setting of types kiln is rectangular configuration as shown in Figure 2, and the calcining zone of vertical setting of types kiln is provided with 10 combustion chambers, and the both sides of each combustion chamber are provided with thermophore, and the air scoop of both sides, combustion chamber is connected with thermophore respectively.Heat storage in thermophore 6 is major diameter steel ball.Cooling zone is provided with lower suction bar 8, and the outlet of lower suction bar is connected to induced draft fan 11.
The utility model is that limestone material, in feeder apparatus, opening for feed 1 enter the kiln thorax 17 of vertical setting of types kiln, is taken calcining zone to through preheating with the vertical setting of types kiln operation scheme of heat accumulating type partition heating.The heat muffle heating calcined material being produced by combustion chamber 4 burnings, Wingdale thermolysis is lime and carbonic acid gas, the material that carbonic acid gas upwards moves preheating preheating zone arrives carbon dioxide treatment unit 12 by decomposition gas outlet 2.High temperature lime downwards operation enters cooling zone, and the cooling air being bloated by cooling blower 16 enters cooling zone through cooling air inlet 9 and lime carried out cooling, and cooled lime is through discharge port 10 kiln discharges.Coal dust enters combustion chamber 4 through left side fuel oil atomizer 7, and the air that gas blower bloats enters thermophore 6 through left side T-valve 22, and air heat storage in thermophore is emitted heat preheating and entered the combustion-supporting burning in combustion chamber by air scoop 5.The flue gas that burning produces arrives the thermophore 6 on right side through the air scoop on right side, at thermophore, be heat storage accumulation of heat, and exothermic flue gas discharges to blowdown system through T-valve 22.The hocket accumulation of heat and emit heat heating combustion air, both sides, combustion chamber alternate combustion of the thermophore 6 of both sides.According to thermophore exit gas temperature, combustion chamber and thermophore alternate run, realize switch operation by T-valve 22 and valve 23, and the commutation temperature of thermophore outlet flue gas is 150～200 ℃, and concrete commutation temperature is determined according to processing requirement.The waste residue that combustion chambers burn produces is discharged through slag notch 18.Because the heating of Wingdale muffle is calcined, decomposition of limestone obtains fat lime and purity carbonic acid gas decomposition gas, and carbonic acid gas enters carbon dioxide treatment unit 12 through decomposition gas outlet 2, induced draft fan 11.In carbon dioxide treatment unit, through 13 udst separations of purifying carbon dioxide equipment, after carbonic acid gas cooling apparatus 14, be stored into carbon dioxide storage tank 15.A carbonic acid gas part for carbon dioxide storage tank enters cooling zone cool lime through cooling blower, and another part goes out device as carbon dioxide product.High temperature carbon dioxide after cool lime, together enters carbon dioxide treatment unit with the carbonic acid gas of decomposition of limestone and purifies and cooling process to induced draft fan 11 entrances through lower suction bar 8.As selection, the entrance of cooling blower 16 is communicated with atmosphere, with air, makes the cooling lime of cooling air, and the high-temperature gas after cool lime is to fuel preheater pre-heating fuel.In vertical setting of types kiln, 10 combustion chambers are arranged side by side, and each side of combustion chamber is burnt simultaneously or discharges fume, the accumulation of heat simultaneously of each side thermophore or preheated air, and automatization is controlled, and accomplishes scale production.
Embodiment 2
Another embodiment of the utility model is ring kiln, as shown in Figure 3, Figure 4, interior ring 19 and outer shroud 21, consists of, and the annular space 20 between interior ring and outer shroud is kiln thoraxes of material to be machined.8 combustion chambers are uniformly distributed, through interior ring, annular space and outer shroud.The both sides of each combustion chamber are provided with thermophore 6, and the airline of both sides, combustion chamber is connected with thermophore respectively.The thermophore warm-up combustion-supporting air in combustion chamber outside, the fuel oil atomizer ejection fuel combustion of outside, combustion chamber (outer shroud is outside), thermophore 6 accumulation of heats of (interior ring inside) to combustor inner side of the flue gas of generation.Then reversing combustion device indoor fuel outlet ejection fuel combustion, in the thermophore of combustor inner side, heat storage is emitted heat warm-up combustion-supporting air, thermophore 6 accumulation of heats in outside, combustion chamber.
Decomposition of limestone obtains fat lime and purity carbonic acid gas decomposition gas, and carbonic acid gas enters carbon dioxide treatment unit 12 through decomposition gas outlet 2, induced draft fan 11.In carbon dioxide treatment unit, after 13 udst separations of purifying carbon dioxide equipment, carbonic acid gas cooling apparatus 14, be stored into carbon dioxide storage tank 15.A carbonic acid gas part for carbon dioxide storage tank enters cooling zone cool lime through cooling blower, and another part goes out device as carbon dioxide product.
Claims (8)
1. an industrial furnace for heat accumulating type partition heating, comprises limestone kiln and carbon dioxide treatment unit (12), selects to be provided with fuel preheater; Described limestone kiln is provided with opening for feed (1), discharge port (10), decomposition gas outlet (2) and cooling air inlet (9), described decomposition gas outlet is connected with carbon dioxide treatment unit by induced draft fan (11), cooling air inlet is connected with cooling blower (16) outlet, and the entrance of cooling blower is connected with carbon dioxide treatment unit or is communicated with atmosphere; In the kiln body (3) in limestone kiln, be provided with preheating zone, calcining zone and cooling zone, it is characterized in that: described calcining zone is provided with combustion chamber (4), the wall of combustion chamber is built by laying bricks or stones and is formed or made by metallic substance by heat conduction brick structures; The two ends of described combustion chamber are provided with air scoop (5), fuel oil atomizer (7) and slag notch (18), and described air scoop is connected with thermophore (6), and the other end of thermophore is connected with blowdown system with gas blower by T-valve (22); Described cooling zone is provided with lower suction bar (8), and the outlet of described lower suction bar is connected to induced draft fan (11) or fuel preheater.
2. the industrial furnace of heat accumulating type partition heating according to claim 1, is characterized in that: described limestone kiln is vertical setting of types kiln or ring kiln.
3. the industrial furnace that heat accumulating type partition according to claim 2 heats, it is characterized in that: described vertical setting of types kiln is rectangular configuration, the calcining zone of vertical setting of types kiln is provided with 2～50 combustion chambers, and the both sides of each combustion chamber are provided with thermophore, and the air scoop of both sides, combustion chamber is connected with thermophore respectively.
4. the industrial furnace of heat accumulating type partition heating according to claim 2, is characterized in that: described ring kiln consists of interior ring (19) and outer shroud (21), the kiln thorax that the annular space between interior ring and outer shroud (20) is material to be machined; Described ring kiln is provided with 2～50 combustion chambers, and combustion chamber annular is uniformly distributed; The both sides of each combustion chamber are provided with thermophore (6), and the air scoop of both sides, combustion chamber is connected with thermophore respectively.
5. the industrial furnace that heat accumulating type partition according to claim 1 heats, it is characterized in that: described carbon dioxide treatment unit (12) is provided with purifying carbon dioxide equipment (13), carbonic acid gas cooling apparatus (14) and carbon dioxide storage tank (15), and purifying carbon dioxide equipment, carbonic acid gas cooling apparatus are connected successively with carbon dioxide storage tank.
6. the industrial furnace of heat accumulating type partition heating according to claim 1, is characterized in that: described fuel oil atomizer is gas fuel nozzle, liquid fuel nozzle or solid fuel nozzle, or the combination of above-mentioned fuel oil atomizer.
7. the industrial furnace of heat accumulating type partition heating according to claim 6, is characterized in that: the heat storage in described thermophore (6) is ceramic refractory or ferrous materials; Described heat storage be shaped as spherule or cellular polyhedron; When fuel oil atomizer is solid fuel nozzle, described heat storage is spherule structure.
8. the industrial furnace of heat accumulating type partition heating according to claim 1, is characterized in that: described metallic substance is cast steel, cast iron or high temperature steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420367426.6U CN204022685U (en) | 2014-07-04 | 2014-07-04 | The industrial furnace of heat accumulating type partition heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420367426.6U CN204022685U (en) | 2014-07-04 | 2014-07-04 | The industrial furnace of heat accumulating type partition heating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204022685U true CN204022685U (en) | 2014-12-17 |
Family
ID=52062577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420367426.6U Expired - Fee Related CN204022685U (en) | 2014-07-04 | 2014-07-04 | The industrial furnace of heat accumulating type partition heating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204022685U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104119003A (en) * | 2014-07-04 | 2014-10-29 | 石家庄新华能源环保科技股份有限公司 | Heat accumulating type dividing-wall heating industrial furnace |
| CN105776916A (en) * | 2016-03-13 | 2016-07-20 | 石家庄新华能源环保科技股份有限公司 | Low-carbon-emission cement production device |
-
2014
- 2014-07-04 CN CN201420367426.6U patent/CN204022685U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104119003A (en) * | 2014-07-04 | 2014-10-29 | 石家庄新华能源环保科技股份有限公司 | Heat accumulating type dividing-wall heating industrial furnace |
| CN104119003B (en) * | 2014-07-04 | 2016-02-10 | 石家庄新华能源环保科技股份有限公司 | The industrial furnace of heat accumulating type partition heating |
| CN105776916A (en) * | 2016-03-13 | 2016-07-20 | 石家庄新华能源环保科技股份有限公司 | Low-carbon-emission cement production device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104792154B (en) | Dividing wall type rotary kiln device | |
| CN102875036B (en) | Heat storage type lime rotary kiln | |
| CN203144295U (en) | Heat accumulating type dividing-wall heating rotary lime kiln | |
| CN103058536B (en) | Heat-accumulation dividing-wall heating rotary kiln device | |
| CN104446017B (en) | A kind of dividing wall type calciner plant | |
| CN105366964A (en) | Lime-coke-calcium carbide production joint apparatus | |
| CN104058608B (en) | A kind of shaft furnace of partition heated material | |
| CN207738664U (en) | A kind of limestone calcination device | |
| CN105236772B (en) | A kind of shaft furnace partition rotary kiln combined unit | |
| CN102001837A (en) | Method and device for calcining materials by using low calorific value fuel | |
| CN104119003B (en) | The industrial furnace of heat accumulating type partition heating | |
| CN104119007B (en) | A kind of telescopic shaft furnace with TRT | |
| CN204022685U (en) | The industrial furnace of heat accumulating type partition heating | |
| CN203474652U (en) | Heat accumulating type lime rotary kiln | |
| CN203478938U (en) | Rotary kiln apparatus with energy recovery equipment | |
| CN104496207B (en) | Heat storage type lime rotary kiln | |
| CN204265644U (en) | Heat storage type lime rotary kiln | |
| CN103332873B (en) | Parallel-flow heat accumulating type lime rotary kiln | |
| CN204224469U (en) | A kind of dividing wall type roasting assembly | |
| CN103553373A (en) | Annular sleeve kiln | |
| CN103335514A (en) | Rotary kiln device provided with energy recovery equipment | |
| CN103482889B (en) | Heat accumulating type material calcinating device | |
| CN104119008B (en) | Utilize flue gas calcining to produce the device of lime | |
| CN204022689U (en) | A kind of telescopic shaft furnace with power generation assembly | |
| CN103803515A (en) | Decarbonizing calcining device of yellow phosphorus ores |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20160704 |